fix(user-center): put wallet and points on one asset row

Drop nested zib-widget chrome on dual cards; one surface with
side-by-side cells (stack on mobile) instead of card-on-card.

inc/helpers/user-center-renderers/credits-balance.php

@@ -28,7 +28,7 @@ $points_buy_on = class_exists('\AKSRT\Credits\BalanceService') && \AKSRT\Credits
 $points_buy_view = $points_buy_on ? \AKSRT\Credits\BalanceService::get_instance()->get_points_buy_view((int) ($user_id ?? 0)) : [];
 $currency = (string) ($currency_name ?? __('积分', 'aksrt'));
 ?>
-<div class="uc-asset-card uc-asset-card--points zib-widget">
+<div class="uc-asset-card uc-asset-card--points">
 	<div class="uc-asset-card__head flex jsb ac">
 		<div class="uc-asset-card__title">
 			<i class="fas fa-coins em12 mr6" aria-hidden="true"></i><?php echo esc_html($currency); ?>